Finding the Fourth Proportional to 3,246,455.56, 4,481,543.58 and 1,940,168.44
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Solution
The fourth proportional to 3,246,455.56, 4,481,543.58 and 1,940,168.44 is: 2,678,289.99
Step by Step Solution
- Step 1: Write the proportion equation
3,246,455.56 : 4,481,543.58 = 1,940,168.44 : x - Step 2: Convert to fraction form
3,246,455.56/4,481,543.58 = 1,940,168.44/x - Step 3: Cross multiply
3,246,455.56x = 4,481,543.58 × 1,940,168.44 - Step 4: Simplify right side
3,246,455.56x = 8,694,949,416,400.62 - Step 5: Solve for x
x = 8,694,949,416,400.62/3,246,455.56 - Step 6: Final answer
x = 2,678,289.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.